REPAIR / MAINT OF TRANSFORMER 11/0.433 KV AND CONNECTED ITEMS IN THE AREA OF AGE E/M EXT (ELECT) UNDER GE E/M LUCKNOW

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep in soft/loose soil for laying / taking up/ taking down of cables and getting out complete.

Returning filling in,. Including spreading, levelling, watering and well ramming soil in layers not exceeding 25 cm thick complete.

Removing excavated material (ie soil) from site to a distance n. exc 50 mtrs away and depositing where directed at a level n. exc. 1.5 mtr above the starting point all as specified complete.

M & L for Sand cushioning for protection of cable complete all as specified and as directed by Engineer-in-Charge. Note :- Local approved tibba dry sand after removal of vegetations; grass and other deleterious substances shall be used for sand cushioning.

Supplying and laying un-reinforced precast concrete cable cover, class HVP, type 1 with peak, size 300mm x 180mm x 40mm laid dry in trenches for the protection of underground cable complete all as specified and directed

All as per srl item No 05 here-in-before but using old cable cover obtained under srl item No 05 here in before.

Supplying, laying, jointing, testing and commissioning in replacement XLPE insulated, screened, PVC bedded,galvanised steel strip or wire armoured,electric power cables (heavyduty) with aluminium conductor, 11000 volts Earthed, grade cross sectional area 185 Sqmm, 3 core ISI marked as per IS 7098 Part-2, laid in trenches/ laid under floor/ laid in ducts or fixed on poles etc. complete.

All as per item No 07 here-in before but cross sectional area 120 Sqmm , 3 core

All as per item No 07 here-in before but cross sectional area 95 Sqmm , 3 core

S&F Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm including disconnecting /connecting the cable in RYB phase sequence in RMU/pole incl cutting the unserviceable portion and testing after connection in all respect etc complete.

All as per item No 10 above but 3 core XLPE armoured aluminium conductor cable of size 120 to 185 Sqmm

All as per item No 10 above but 3 core XLPE armoured aluminium conductor cable of size 240 to 300 Sqmm

S&F Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm including disconnecting /connecting the cable in RYB phase sequence in RMU/pole incl cutting the unserviceable portion and testing after connection in all respect etc complete.

All as per item No 13 above but 3 core XLPE armoured aluminium conductor cable of size 120 to 185 Sqmm

S&F Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm including disconnecting /connecting the cable in RYB phase sequence in RMU/pole incl cutting the unserviceable portion and testing after connection in all respect etc complete as specified and dierected .

All as per item No 45 above but 3 core XLPE armoured aluminium conductor cable of size 120 to 185 Sqmm

Supplying and laying or fixing, jointing and testing in replacement LT under ground electric power cable crossed linked polyethylene ( XLPE) insulated, galvanised steel strip armoured, ISI-7098 Marked, with aluminium conductor multi stranded, heavy duty 1100 Volts grade , cross sectional area 240 Sqmm , Single core complete all as specified laid in trenches/ laid under floor or fixed naked with walls/ on poles/ in ducts /in GI pipes etc. with and including MS clamps, nuts , bolts, washers complete all as specified and directed.

All as per item No 17 but size 630 sqmm single core

Deployment of manpower & tools / machinery for fault finding in UG cable by disconnecting faulty 11 KV HT cables of different sizes from both ends, testing the cables with high voltage DC testing machine and locating the fault in the cables by fault locating machine to pin point exact position of fault, Re-connections and testing of cables after removal of fault complete all as specified and directed. Note: (a) 11 KV HT cable & joints will be measured and paid for separately under respective items of BOQ (b) Contractor or his rep shall come to the site of breakdown within one hour of notification of breakdown along with fault locating machine and manpower. In case the rep or contractor not come to the site of breakdown and start attending breakdown within 1.00 hour a penalty of Rs 1000 per fault per hour will be imposed over contractor and will be deduct from his dues.

Disconnecting all electrical connection from defective/faulty transformer of capacity 63 to 250 KVA , 11 KV/433 Volt and taking down from existing position from 4 pole/plinth with suitable T&P and loading to vehicle and transport to repair workshop , unloading at repair worksop and transported back to Lucknow Cantt area after repair , installation, comissioning and testing complete. Note:- (i) Any damage during transportation/loading/unloading or at any stage occured contractor shall be responsible for that and damege shall be made good by the contractor. (ii) Rate is deemed to be inclusive of transportation , T&P and men power charges.

All as per item No 20 here- in- before but transformer of capacity 315 to 500 KVA, 11 KV /433 Volt

M&L for Opening the top cover of transformer of capacity 63 to 250 KVA, 11 KV/433 Volt and carying out the folowing work/repairs by spaecialist technician/engineer at factory work shop :- (a) Removing of transformer oil from transformer into seperate container. (b) Taking out the core and coil of transformer. (c) Repair of radiator & replacement of defective plate of core as per existing size. (d) Cleaning the transformer inside properly by used transformer oil as per manufacturers guide line and painting with one coat zink painting as per manufacturers norms. (e) Re-tanking and assembling of core and coil. (f) Ovening in vapour phase drying oven at factory workshop for 72 hrs. (g) Filling of new transformer oil. (h) Replacment of gaskets ,hardware/consumables, replacement of silica gel breather, replacement of HV/LV spindles & replacement of thermometer. (i) Refixing of the transformer top cover with ,gasket, nuts, bolts and washers. (j)) The following routine test as per IS 2026 (Part I) -1977 shall be carried out at repairing workshop :- (i) Measurement of winding resistance. (ii) Measurement of voltage ratio and check of voltage vector relationship. (iii) Measurement of impedance voltage/short circuit impedance (principal tapping) and load loss . (iv) Measurement of no load loss and current. (v) Measurement of insulation resistance. (vi) Dielectric tests (k) The contractor shall give written warranty of one year from the date of sucessfull testing and installation of transformer. The contractor shall submit test report from repair workshop for above mentioned test. Note:- (i) Transformer oil shall be measured and paid separately under respective items of schedule .The cost of Gasket, Silica gel breather , HV & LV Spindles and thermometer shall be deemed to be included in rates quoted by the contractor against this item .

All as per item No 22 here- in -before but transformer of capacity 315 to 500 KVA, 11 KV /433 Volt.

M&L for replacement of defective/unserviceable HV leg copper coils with new copper coil with double paper cover (DPC) as per specification of copper conductor for transformer of capacity 63 to 250 KVA, 11 KV/433 Volt complete matching with existing gauge and same number of turns including best quality insulation, vernishing by vaccuum impregnation and baking of coil assembly in vaccum furnace complete all as specified and directed to achieve designed voltage ratio all as per manufactures instructions.

All as per item No 24 here- in- before but transformer of capacity 315 to 500 KVA, 11 KV /433 Volt

M&L for reconditioning of serviceable existing LV leg coils of transformer of capacity 63 to 250 KVA, 11 KV/433 Volt with double paper cover (DPC) by using best quality insulation and baking of coil assembly complete.

All as per item No 26 here -in -before but transformer of capacity 315 to 500 KVA, 11 KV /433 Volt

Supply only transformer oil for topping up/filling in transformers as per IS 335/93 dielectric strength should be upto 60 KV breaking voltage complete.

Dehydration of old transformer oil of proper dielectric strength including centrifuging of oil to the required dielectric strength above 50 KV at 2.5 mm gap in all respect of the different capacities of the trasformer including filling of required capacity of new oil for topping of the transformer etc complete. Note : New transformer oil required for toping up shall be measured and paid separately under respective items of schedule.

Material,labour and T&P for disconnecting the HT/LT connection of the transformer from pole/in side sub station/plinth and taking out the trnasformer from poles/plinth/inside the sub sation and shifting the same as directed place with the help of hydraulic/crane and making the connection of the HT & LT side as directed at any location in the cantt area incl testing complete as directed Note:- Contractor will provide the crane & man power within one hour after recieving the whatsup/mobile phone/massage/email etc. If contractor fails to provide the crane/man power within one hour, the amount @ Rs 800 per hour will be deducted from his dues.

S&F in replacement breather assembly with silica gel for transformer of 63 KVA to 250 KVA complete .

S&F in replacement breather assembly with silica gel for transformer of 315 KVA to 500 KVA complete.

M&L for taking out the breather assembly and taking out the unserviceable silca gel from breather and cleaning the breather in all respect and filling the new silca gel of approved quality complete.

S&F in replacement LT 433 Volt bushings with oil seal of suitable size, dia & model for the transformer of the capacity 63 KVA to 250 KVA complete.

S&F in replacement LT 433 Volt bushings with oil seal of suitable size, dia & model for the transformer of the capacity 315 KVA to 500 KVA complete.

S&F in replacement HT 11 KV bushing with oil seal of suitable size, dia & model for the transformer of capacity 63 KVA to 250 KVA complete.

S&F in replacement HT 11 KV bushing with oil seal of suitable size, dia & model for the transformer of capacity 315 KVA to 500 KVA complete.

S&F in replacement LT 433 Volt brass rod as per existing suitable size, dia & model for the transformer of the capacity 63 KVA to 250 KVA complete.

S&F in replacement LT 433 Volt brass rod as per existing suitable size, dia & model for the transformer of the capacity 315 KVA to 500 KVA complete.

S&F in replacement HT 11 KV brass rod as per existing suitable size, dia & model for the transformer of capacity 63 KVA to 250 KVA complete.

S&F in replacement HT 11 KV brass rod as per existing suitable size, dia & model for the transformer of capacity 315 KVA to 500 KVA complete.

Supplying and fixing in replacement, unserviceable gaskets after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity 63 KVA to 250 KVA and re-connecting electrically and mechanically, testing complete. Note.The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling of existing transforer oil, opening of top cover by unscrewing nut, bolts washers etc.

All as per Serial item No 42 here-in-before but 315 KVA to 500 KVA

S&F in replacement off load tap changer assembly suitable for transformer capacity 63 to 250 KVA , 11 KV/433 Volt as per existing size/type/make etc complete.

S&F in replacement off load tap changer tapping switch assembly suitable for transformer capacity 315 to 500 KVA , 11 KV/433 Volt as per existing size/type/make etc complete all as specified and directed

M&L for painting of the transformer 63 to 250 KV ,11 KV/433 Volt complete by removing old paint by scraping and providing spary painting with approved synthetic enamelled paint as required.

M&L for painting of the transformer 315 to 500 KVA ,11 KV/433 Volt complete by removing old paint by scraping and providing spary painting with approved synthetic enamelled paint as required.

Demolition of brick work built in cement mortar for transformer foundation , dwarf wall for fencing etc complete.

Brick work with fly ash old size , straight or curved on plan exc 6 mtr mean radious built in cement mortar (1:4) for transformer foundation , dwarf wall for fencing etc complete all as specified and directed

Taking down cement plaster on brick wall, racking out joints hacking for key scrubbing down with ater all as specified and directed .

Rendering 15mm thick in cement mortar (1:4) on fair faces of brick or concrete surface finished fair and even complete for transformer foundation , dwarf wall of fencing etc all as specified and directed .

Demolition of cement concrete unreinforced complete for transformer foundation all as specified and directed by -in-charge.

M&L for plain cement concrete (1:3:6) type C-2 using 40mm graded crushed stone aggregate in foundation, filling and mass concrete complete all as specified and directed.

M&L for plain cement concrete (1:2:4) type B-1 , using 20mm graded stone aggregate as in copings, benching and the like including weathering , slightly rounded or chamered angles and throating for transformer foundation etc including necessary form work all as specified.

Dismantling wrought iron or mild steel work of any description not otherwise provided from fencing of transformer and RMU.

S&F Mild steel work of angle iron or flat iron etc for railings, balusters, nosing to steps including embeding in concrete and screwing etc, flate iron for posts , & struts in fencing etc including cutting tops to shape as directed, drilling holes , notching for wire, etc, flat iron fillets (for securing wire mesh etc) including all necessary drilling , bolting or riveting etc & similar work conforming to Fe 290 gde E-165 complete.

S&F MS framed work as in doors or gates of angle or other section etc to be prepared for hanging and including either hooks and hinges etc with end of bars shouldered and /or reiveted and welded complete.

S&F Mild steel screw bolts (Machine made), 11 to 15 mm neck dia with hexagonal or square heads at one end and screwed the other , or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, exc 5 cm but n exc 10 cm long complete.

Dismantling fencing wire mesh any type

Supplying and fixing Welded steel wire fabric wt n.exc 4 Kg/Sqm, any shape complete.

M&L for Preparation of new or previous untreated steel and iron surfaces of any description over 10 cm width or girth , not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide primer complete.

M&L for Preparation of old painted surface of steel and iron surfaces of any description over 10 cm width or girth , not otherwise described and applying two coats of synthetic enamel paint.

M&L for two coats of cement based paint over a coat of cement base primer incl preparation of newly plastered surfaces etc complete all as specified .

M&L for one coats of cement base paint incl preparation of old plastered surfaces etc complete.

M&L Plain cement concrete 1:4:8 type D-2 using 40mm graded stone aggregate 75mm thick as sub base of floors complete.

Dismantling Machine pressed precast concrete interlocking paver block any shape and size including cement mortar bedding (but not backing) and rubbish off the premises

M&L for Machine pressed precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness, M-35 Grade set and jointed with neat grey cement and pigment including 40mm thick sand cushion etc complete.

M & L for cutting and removing grass, vegetation bushes , surface dressing not exeeding 15 cm deep etc from surrounding 4 pole/2 pole HT structure/tansformer/RMU/CSS and outside area of HT/LT installation and removing all rubbish to a distance not exceeding 50 m as directed.

M&L horizontal boring by tenchless technology using ultra sound technique and necessary machine and inserting HDPE casing pipe with fittings of 110mm dia having working pressure 0.6 Mpa along road and under pavements/hardstanding crossing in all types of soil at prescribed depth ( in no case depth of boring less than 1.7 M from the road surface) up to 200 meters of drilling longitudinal or 3 to 4 roads crossing should be possible , for passing of HT Cable including all civil works & reinstatement as per BMP standards complete all as specified and directed.Make Tirupati / Finolex/Supreme/Prince Note:- (i) Cost of jointing of HDPE pipe with jointing material and T&P, if required at site shall deemed to be included in quoted rate. (ii) Contractor shall take written clearance of Gas pipe line , OFC, HT Cable, Water pipe line and any other utilities from concerned department before trenchless work, if any damages to existing services such as road, path & Hard stading etc occured during work the same to be replaced/repair by the contractor and the cost of the same shall deemed to be included in the quoted rates.

Suppply and fixed in repair smart connector terminal suitable for transformer out going terminal M20 suitable for 240-300 sqmm cable size incl connection and testing complete as specified and directed.

Suppply and fixed in repair smart connector terminal suitable for transformer out going terminal M20 suitable for 120-185 sqmm cable size incl connection and testing complete as specified and directed.

Suppply and fixed in repair smart connector terminal suitable for transformer out going terminal M12(MV) suitable for 25-150 sqmm cable size incl connection and testing complete as specified and directed.

Boring of hole under road/pavement/hard standing or any other situation by manual means and suitable for passing of GI pipe 80 to 100 mm bore and making good both ends all specified and directed

S&F in replacement GI Pipe (light grade) with necessary accessories/ fittings for cable protections for crossing of culverts/nallah /road etc of size 100 mm bore

All as per item No 74 above but 80 mm bore

M&L in replacement for making earthing high conductive, non corosive maintenance free, non fluctuation of ohmic value less than 1ohm 80 mmX3000mm (inner strip-3000x50x6mm, connection terminal 100x50x6mm, terminal hole 16mm, Inner filling CCM electrode pipe-B class) GI pipe in pipe filled with super conductive crystaline with earth plus 50 kg containing mixture of graphite, Sulfate, , Silica,Alumina , Iron Oxide, Titanium oxide, calcium oxide , Magnesium oxide , Sodium oxide , Zink oxide etc) back fill compound should be ROHS including heavy duty polymer Earth pit chamber with cover and GI strip 32x6 mm required at site for connection of earthing for any type equipment complete.

Supply & fix in replacement earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or burried in ground or drawn in conduit/pipe or fixed to poles with suitable size ms clamp,nut,bolt and washer or any other indicated situation for loop earthing as required 32x6mm GI strip including brazing/GI nut,bolts,washer etc complete.